diff options
| -rw-r--r-- | mrbgems/mruby-io/src/io.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c index e11aa3300..bc17dd9dd 100644 --- a/mrbgems/mruby-io/src/io.c +++ b/mrbgems/mruby-io/src/io.c @@ -563,6 +563,7 @@ mrb_io_initialize_copy(mrb_state *mrb, mrb_value copy) mrb_get_args(mrb, "o", &orig); fptr_orig = io_get_open_fptr(mrb, orig); fptr_copy = (struct mrb_io *)DATA_PTR(copy); + if (fptr_orig == fptr_copy) return copy; if (fptr_copy != NULL) { fptr_finalize(mrb, fptr_copy, FALSE); mrb_free(mrb, fptr_copy); |